Mississippi River at Chester

Last updated: Jun 19, 2025, 2:02 AM UTC

No watches, warnings or advisories are in effect for this area.

Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.

Observations from USACE - St. Louis District
US Geological Survey

Scale to Flood Categories

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Traces and Thresholds Click to turn on/off display

Observed (OBS) 06/18/2025 8:30 PM CDT

Official Forecast (FCST) 06/18/2025 10:47 AM CDT

Record: 49.7 ft

CATEGORY STAGE

Major Flooding 40 ft

Moderate Flooding 35 ft

Minor Flooding 27 ft

Action 25 ft

Reliability of the Forecast:

NOTE: Forecasts are issued routinely year-round.

River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, click here.
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	CATEGORY	STAGE
	Major Flooding	40 ft
	Moderate Flooding	35 ft
	Minor Flooding	27 ft
	Action	25 ft

Flood Impacts 🅘

53 - Near this height, the Ste. Genevieve County levee #3 is overtopped.
51 - The Health Care Unit of the Menard Correctional Center begins flooding near this height. Also at this height, the Grand Tower levee is overtopped. This levee protects 14,800 acres.
50 - Ste. Genevieve, Ft. Chartres, Ivy Landing, and Kaskaskia Island levees overtopped.

Gauge Info

Coordinates	37.9007, -89.8302
RFC	NCRFC
State	IL
WFO	LSX
County	Randolph
Data Provider(s)
U.S. Army Corps of Engineers	St. Louis District - Water Management
U.S. Geological Survey	USGS--Water Resources of the United States
USGS	07020500

Gauge Location

Recent Crests

1.	31.14 ft	on 05-03-2024	(P)
2.	31.04 ft	on 07-02-2021	(P)
3.	30.76 ft	on 04-14-2021	(P)
4.	33.88 ft	on 03-21-2021	(P)
5.	33.46 ft	on 06-02-2020

Historic Crests

1.	49.74 ft	on 08-07-1993
2.	46.52 ft	on 06-10-2019
3.	45.99 ft	on 01-02-2016
4.	44.66 ft	on 05-06-2017
5.	44.00 ft	on 05-23-1995

Low Water Records

1.	-4.30 ft	on 01-02-1964
2.	-4.20 ft	on 12-20-1963
3.	-4.00 ft	on 01-03-1900
4.	-3.71 ft	on 12-27-1989
5.	-2.60 ft	on 01-04-1940

(P) - Preliminary values subject to further review
¹ - Gauge datum changed during this year

Vertical Datum Table

type	NAVD88
major Flooding	380.72 ft
moderate Flooding	375.72 ft
minor Flooding	367.72 ft
action	365.72 ft
Latest Value	355.83 ft
Gauge Zero	340.72 ft

Gauge Photos

Photo 1 of 20

Upper sectional staff gage

Probability Information

Photo 1 of 3

Weekly Chance of Exceeding Levels
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Chance of Exceeding Levels During Entire Period
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Short Range Forecast Uncertainty
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Unique Local Info

How low could the river get?

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

Resources

Hydrologic Resource Links

Additional Resource Links

WFO Information

Weather Forecast Office

St. Louis

12 Missouri Research Park Drive

St. Charles, MO 63304

(636) 441-8467

Ask Questions/Webmaster

Official Homepage

1.	31.14 ft	on 05-03-2024	(P)
2.	31.04 ft	on 07-02-2021	(P)
3.	30.76 ft	on 04-14-2021	(P)
4.	33.88 ft	on 03-21-2021	(P)
5.	33.46 ft	on 06-02-2020
6.	31.71 ft	on 04-20-2020
7.	33.32 ft	on 03-25-2020
8.	27.06 ft	on 03-15-2020
9.	33.07 ft	on 01-14-2020
10.	29.33 ft	on 11-03-2019
11.	33.04 ft	on 10-13-2019
12.	46.52 ft	on 06-10-2019
13.	27.53 ft	on 02-09-2019	(P)
14.	28.61 ft	on 01-03-2019	(P)
15.	33.92 ft	on 10-19-2018
16.	29.33 ft	on 09-11-2018
17.	44.66 ft	on 05-06-2017
18.	30.85 ft	on 04-10-2017
19.	27.67 ft	on 05-13-2016
20.	45.99 ft	on 01-02-2016
21.	28.41 ft	on 12-03-2015
22.	39.68 ft	on 07-02-2015
23.	28.41 ft	on 06-01-2015
24.	31.80 ft	on 07-12-2014
25.	42.41 ft	on 06-05-2013
26.	38.35 ft	on 04-25-2013
27.	39.74 ft	on 05-02-2011
28.	30.06 ft	on 03-03-2011
29.	28.36 ft	on 09-27-2010
30.	36.34 ft	on 06-30-2010
31.	36.31 ft	on 05-21-2010
32.	31.55 ft	on 04-30-2010
33.	34.73 ft	on 03-31-2010
34.	30.07 ft	on 01-28-2010
35.	27.44 ft	on 12-29-2009
36.	31.27 ft	on 11-22-2009
37.	35.61 ft	on 11-03-2009
38.	27.26 ft	on 06-14-2009
39.	34.86 ft	on 05-22-2009
40.	29.68 ft	on 04-01-2009
41.	29.51 ft	on 03-16-2009
42.	37.65 ft	on 09-20-2008
43.	32.13 ft	on 08-03-2008
44.	39.46 ft	on 07-01-2008
45.	27.14 ft	on 06-01-2008
46.	28.77 ft	on 05-29-2008
47.	34.12 ft	on 04-15-2008
48.	29.39 ft	on 04-04-2008
49.	35.34 ft	on 03-23-2008
50.	27.12 ft	on 03-08-2008
51.	30.28 ft	on 05-13-2007
52.	29.07 ft	on 01-15-2005
53.	30.76 ft	on 01-07-2005
54.	29.35 ft	on 05-30-2004
55.	27.05 ft	on 03-09-2004
56.	27.11 ft	on 05-13-2003
57.	40.58 ft	on 05-17-2002
58.	35.31 ft	on 06-11-2001
59.	28.00 ft	on 03-20-2001
60.	29.50 ft	on 03-01-2001
61.	27.74 ft	on 06-30-2000
62.	35.00 ft	on 04-19-1998
63.	31.80 ft	on 04-21-1997
64.	44.00 ft	on 05-23-1995
65.	38.90 ft	on 04-16-1994
66.	49.74 ft	on 08-07-1993
67.	27.11 ft	on 04-24-1992
68.	27.78 ft	on 05-09-1991
69.	35.53 ft	on 05-20-1990
70.	25.57 ft	on 12-29-1988
71.	39.54 ft	on 10-10-1986
72.	31.40 ft	on 05-25-1986
73.	28.90 ft	on 12-04-1985
74.	35.14 ft	on 11-23-1985
75.	30.00 ft	on 04-03-1985
76.	36.60 ft	on 02-28-1985
77.	30.70 ft	on 06-30-1984
78.	34.97 ft	on 04-25-1984
79.	41.02 ft	on 05-05-1983
80.	39.71 ft	on 12-09-1982
81.	32.20 ft	on 06-13-1982
82.	29.80 ft	on 03-26-1982
83.	30.80 ft	on 08-01-1981
84.	39.79 ft	on 04-16-1979
85.	32.86 ft	on 03-29-1978
86.	43.32 ft	on 04-30-1973
87.	35.73 ft	on 07-15-1969
88.	34.40 ft	on 05-02-1952	¹
89.	39.30 ft	on 07-23-1951	¹
90.	38.17 ft	on 07-04-1947	¹
91.	37.55 ft	on 05-02-1944	¹
92.	38.08 ft	on 05-24-1943	¹
93.	34.41 ft	on 04-26-1927	¹
94.	33.40 ft	on 06-13-1903	¹
95.	39.83 ft	on 06-30-1844	¹

1.	49.74 ft	on 08-07-1993
2.	46.52 ft	on 06-10-2019
3.	45.99 ft	on 01-02-2016
4.	44.66 ft	on 05-06-2017
5.	44.00 ft	on 05-23-1995
6.	43.32 ft	on 04-30-1973
7.	42.41 ft	on 06-05-2013
8.	41.02 ft	on 05-05-1983
9.	40.58 ft	on 05-17-2002
10.	39.83 ft	on 06-30-1844	¹
11.	39.79 ft	on 04-16-1979
12.	39.74 ft	on 05-02-2011
13.	39.71 ft	on 12-09-1982
14.	39.68 ft	on 07-02-2015
15.	39.54 ft	on 10-10-1986
16.	39.46 ft	on 07-01-2008
17.	39.30 ft	on 07-23-1951	¹
18.	38.90 ft	on 04-16-1994
19.	38.35 ft	on 04-25-2013
20.	38.17 ft	on 07-04-1947	¹
21.	38.08 ft	on 05-24-1943	¹
22.	37.65 ft	on 09-20-2008
23.	37.55 ft	on 05-02-1944	¹
24.	36.60 ft	on 02-28-1985
25.	36.34 ft	on 06-30-2010
26.	36.31 ft	on 05-21-2010
27.	35.73 ft	on 07-15-1969
28.	35.61 ft	on 11-03-2009
29.	35.53 ft	on 05-20-1990
30.	35.34 ft	on 03-23-2008
31.	35.31 ft	on 06-11-2001
32.	35.14 ft	on 11-23-1985
33.	35.00 ft	on 04-19-1998
34.	34.97 ft	on 04-25-1984
35.	34.86 ft	on 05-22-2009
36.	34.73 ft	on 03-31-2010
37.	34.41 ft	on 04-26-1927	¹
38.	34.40 ft	on 05-02-1952	¹
39.	34.12 ft	on 04-15-2008
40.	33.92 ft	on 10-19-2018
41.	33.88 ft	on 03-21-2021	(P)
42.	33.46 ft	on 06-02-2020
43.	33.40 ft	on 06-13-1903	¹
44.	33.32 ft	on 03-25-2020
45.	33.07 ft	on 01-14-2020
46.	33.04 ft	on 10-13-2019
47.	32.86 ft	on 03-29-1978
48.	32.20 ft	on 06-13-1982
49.	32.13 ft	on 08-03-2008
50.	31.80 ft	on 07-12-2014
51.	31.80 ft	on 04-21-1997
52.	31.71 ft	on 04-20-2020
53.	31.55 ft	on 04-30-2010
54.	31.40 ft	on 05-25-1986
55.	31.27 ft	on 11-22-2009
56.	31.14 ft	on 05-03-2024	(P)
57.	31.04 ft	on 07-02-2021	(P)
58.	30.85 ft	on 04-10-2017
59.	30.80 ft	on 08-01-1981
60.	30.76 ft	on 04-14-2021	(P)
61.	30.76 ft	on 01-07-2005
62.	30.70 ft	on 06-30-1984
63.	30.28 ft	on 05-13-2007
64.	30.07 ft	on 01-28-2010
65.	30.06 ft	on 03-03-2011
66.	30.00 ft	on 04-03-1985
67.	29.80 ft	on 03-26-1982
68.	29.68 ft	on 04-01-2009
69.	29.51 ft	on 03-16-2009
70.	29.50 ft	on 03-01-2001
71.	29.39 ft	on 04-04-2008
72.	29.35 ft	on 05-30-2004
73.	29.33 ft	on 09-11-2018
74.	29.33 ft	on 11-03-2019
75.	29.07 ft	on 01-15-2005
76.	28.90 ft	on 12-04-1985
77.	28.77 ft	on 05-29-2008
78.	28.61 ft	on 01-03-2019	(P)
79.	28.41 ft	on 06-01-2015
80.	28.41 ft	on 12-03-2015
81.	28.36 ft	on 09-27-2010
82.	28.00 ft	on 03-20-2001
83.	27.78 ft	on 05-09-1991
84.	27.74 ft	on 06-30-2000
85.	27.67 ft	on 05-13-2016
86.	27.53 ft	on 02-09-2019	(P)
87.	27.44 ft	on 12-29-2009
88.	27.26 ft	on 06-14-2009
89.	27.14 ft	on 06-01-2008
90.	27.12 ft	on 03-08-2008
91.	27.11 ft	on 05-13-2003
92.	27.11 ft	on 04-24-1992
93.	27.06 ft	on 03-15-2020
94.	27.05 ft	on 03-09-2004
95.	25.57 ft	on 12-29-1988